Moscow, Russia - Alexander Solzhenitsyn, the Nobel Prize-winning Russian author whose books chronicled the horrors of dictator Josef Stalin's slave labor camps, has died of heart failure, his son said Monday. He was 89.

Stepan Solzhenitsyn told The Associated Press his father died late Sunday at his home near Moscow, but declined further comment.

Through unflinching accounts of the years he spent in the Soviet gulag, Solzhenitsyn's novels and non-fiction works exposed the...